| Commit message (Collapse) | Author | Age | Files | Lines |
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More instructions decoded:
A5.3.14 Multiply, and multiply accumulate
A5.3.15 Long multiply, long multiply accumulate, divide
The EABI requires *adjacent* register pairs, but the long multiply
ops can use any pair of registers; interesting.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2538 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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More Thumb2 32-bit opcode support:
A5.3.10 Store single data item
Byte, word, halfword. Offset, pre-index, post-index. And
a "make like you're unprivileged" option when using small
immediate offsets.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2537 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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Print old-style Thumb NOP instructions as such. (GCC uses "mov r8, r8"
instead of the architected NOP which is new in Thumb2.)
git-svn-id: svn://svn.berlios.de/openocd/trunk@2536 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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Make disassembly of the Thumb load-literal instruction show the
address of the literal being loaded (so users can avoid doing
that math themselves). Add and use an Align(PC,4) utility.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2535 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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Make the Thumb2 disassembler handle more 32-bit instructions:
A5.3.3 Data processing (plain binary immediate)
These use mostly twelve bit literals, but there are also bitfield
and saturated add primitives.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2534 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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Make the Thumb2 disassembler handle more 32-bit instructions:
A5.3.1 Data processing (modified immediate)
My small sample shows GCC likes to use many of these instructions.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2533 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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Make the Thumb2 disassembler handle a bunch of 32-bit instructions:
A5.3.4 Branches and miscellaneous control
Note that this shifts some responsabililty out of helper functions,
making the code and layout simpler for 32-bit decoders: they only
need to know how to format the instruction and its parameters.
Also, technical note: with this patch, Thumb1 decoders could now
call the Thumb2 decoder if they wanted to get nicer treatment of
the exiting 32-bit B/BLX instructions.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2532 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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Change layout of Thumb disassembly to work better with Thumb2:
- Move opcode to the left, allowing space for four hex bytes:
* after address, two spaces not one tab (taking 6 spaces)
* after 2-byte opcode, four spaces before tab
- Also, after opcode mnemonic use a tab not a space, to make
operands line up
Sample output (after some patches decoding a few 32-bit instructions):
0x00003e5a 0xf4423200 ORR r2, r2, #131072 ; 0x20000
0x00003e5e 0x601a STR r2, [r3, #0x0]
0x00003e60 0x2800 CMP r0, #0x00
0x00003e62 0xd1f3 BNE 0x00003e4c
0x00003e64 0xf008fa38 BL 0x0000c2d8
The affected lines of code now wrap at sane margins too.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2531 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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Initial support for disassembling Thumb2 code. This works only for
Cortex-M3 cores so far. Eventually other cores will also need Thumb2
support ... but they don't yet support any kind of disassembly.
- Update the 16-bit Thumb decoder:
* Understand CPS, REV*, SETEND, {U,S}XT{B,H} opcodes added
by ARMv6. (It already seems to treat CPY as MOV.)
* Understand CB, CBNZ, WFI, IT, and other opcodes added by
in Thumb2.
- A new Thumb2 instruction decode routine is provided.
* This has a different signature: pass the target, not the
instruction, so it can fetch a second halfword when needed.
The instruction size is likewise returned to the caller.
* 32-bit instructions are recognized but not yet decoded.
- Start using the current "UAL" syntax in some cases. "SWI" is
renamed as "SVC"; "LDMIA" as "LDM"; "STMIA" as "STM".
- Define a new "cortex_m3 disassemble addr count" command to give
access to this disassembly.
Sanity checked against "objdump -d" output; a bunch of the new
instructions checked out fine.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2530 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Replace '\s*$' with ''.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2379 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Replace '[ \t]*[)]' with ')'.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2377 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Replace ')\([<>]\)(' with ') \1 ('.
- Replace ')\([<>]\)\(\w\)' with ') \1 \2'.
- Replace '\(\w\)\([<>]\)(' with '\1 \2 ('.
- Replace '\(\w\)\([<>]\)\(\w\)' with '\1 \2 \3'.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2375 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Replace ')\(==\)\(\w\)' with ') \1 \2'.
- Replace '\(\w\)\(==\)\(\w\)' with '\1 \2 \3'.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2371 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Replace ')\(<<\)\(\w\)' with ') \1 \2'.
- Replace '\(\w\)\(<<\)(' with '\1 \2 ('.
- Replace '\(\w\)\(<<\)\(\w\)' with '\1 \2 \3'.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2370 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Replace ')\(!=\)\(\w\)' with ') \1 \2'.
- Replace '\(\w\)\(!=\)(' with '\1 \2 ('.
- Replace '\(\w\)\(!=\)\(\w\)' with '\1 \2 \3'.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2363 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2359 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2308 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Replace '\([^_]\)u32' with '\1uint32_t'.
- Replace '^u32' with 'uint32_t'.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2278 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Replace '\([^_]\)u16' with '\1uint16_t'.
- Replace '^u16' with 'uint16_t'.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2277 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Replace '\([^_]\)u8' with '\1uint8_t'.
- Replace '^u8' with 'uint8_t'.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2274 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@1714 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@1430 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@523 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- ST STM32x flash support added
- cleaned up armv7m and cortex-m3 support, removed luminary specific code
- cortex-m3 16bit read/write added (required for STM32x flash programming)
git-svn-id: svn://svn.berlios.de/openocd/trunk@177 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- fixed bug in ARM926EJ-S cache handling that caused cache linefills to be disabled after first debug entry
- added support for auto image type detection (thanks to Vincent Palatin)
- further work on ETM trace decoding (tested with a ETB interface using an ETM in normal 16-bit port mode, still experimental)
git-svn-id: svn://svn.berlios.de/openocd/trunk@169 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- reworked etm/etb into a generic etm part with trace capture drivers (currently only etb supported)
- added XScale debug handler binary to repository
- added Thumb disassembling (thanks to Vincent Palatin for this patch)
- added support for non-CFI compatible flashes to cfi driver (currently only SST39VFxxx devices supported)
This checkin is experimental, not suitable for general use
git-svn-id: svn://svn.berlios.de/openocd/trunk@155 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- fixed some compiler warnigns in amt_jtagaccel.c, bitbang.c, parport.c
- free working area and register stuff if str7x block write algorithm failed
- check PC after exiting a target algorithm in armv4_5.c
git-svn-id: svn://svn.berlios.de/openocd/trunk@135 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- fixed compiler warnings throughout the code (thanks to Vincent Palatin for this patch)
- added support for accessing ETB (embedded trace buffer) registers
git-svn-id: svn://svn.berlios.de/openocd/trunk@134 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- fixed bug in jtag.c where JTAG command type was wrong for PATHMOVE commands
- added lattice ISP cable (experimental)
- properly initialize parallel port (clear tristate bit)
- fixed jtag/Makefile.am that failed with some versions of autotools
- print error number if read() in gdbserver.c failed on Windows
- fixed handling of opcodes with bits 27-25 b011 (comment was correct, code had a bug)
- added support for AT91SAM7SE internal flash
git-svn-id: svn://svn.berlios.de/openocd/trunk@122 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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Michael Fischer) - you still need to install GiveIO (not part of OpenOCD)
- Added state-move support to ftd2xx and bitbang JTAG drivers (required for XScale, possibly useful for other targets, too)
- various fixes
git-svn-id: svn://svn.berlios.de/openocd/trunk@78 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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this out)
- changed fallback implementation of strndup to something that works on all systems (thanks to Spen for this patch)
git-svn-id: svn://svn.berlios.de/openocd/trunk@75 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@69 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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a certain command (thanks to Andrew Dyer for this enhancement)
- OpenOCD now includes the ability to diassemble instructions on its own (only ARM for now, Thumb might follow).
The command is "armv4_5 disassemble <address> <count> ['thumb']" (thumb is currently unsupported).
I've compared the produced disassembly against GDB/GNU Objdump output, and it seems to be correct, but there may still be some bugs left.
git-svn-id: svn://svn.berlios.de/openocd/trunk@68 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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